2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 166
Service instruction
none
2C42 – P3025 (DME)
2C42 – P3025
Information saved in
DME
Fault code
2C42 – P3025
Fault text
DME, internal fault: oxygen sensor 2
Fault description
O2 Sensor Initialization Error WRAF-IC (Bank 2 Sensor 1)
Condition for fault identification
Test condition:
Monitoring of O2 sensor chip
No fault memories
Terminal condition: Terminal 15 ON
Voltage condition:
none
Condition for fault memory entry
Self-diagnosis processor chip: Communications fault with
绀?
Action in service
Replace DME
Fault effect and breakdown warning
Driver information
Warning light:
MIL ON
Service instruction
none
2C73
2C73 – P0138
Information saved in
DME
Fault code
2C73 – P0138
Fault text
Oxygen sensor behind catalytic converter, signal
Fault description
O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
Condition for fault identification
Test condition:
O2 sensor signal test
No fault memories
Terminal condition: Terminal 15, engine on
Voltage condition:
none
Condition for fault memory entry
Voltage on Bank 1 O2 sensor behind catalytic converter
